Gentek 3950202, 3940200, 3950320, 3940421, 3940320, 3940402 Operation, Digital 1000 Calibration

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Chapter 6: Maintaining Your Filtered Enclosure

Operation

The Guardian Digital Airflow Monitor consists of the airflow sensor, the Alarm Unit, and the 15 VDC power supply. For 115V operation the alarm unit is powered by plugging the power supply into the factory-prepared digital airflow monitor socket. For 230V operation, the Alarm Unit is powered by plugging the power supply into a building outlet. The alarm has “Enter,” “+,” and “-” buttons to program the monitor. There is also a green LED “SAFE,” yellow LED “CAUTION,” and red LED “LOW” with audible alarm for airflow conditions. The audible alarm can be permanently muted if desired. The Guardian Digital 1000 Airflow Monitor displays a face velocity value, provides an RS232 communications port to a PC or building computer system, can be configured for external input connections such as night setback or external alarm and provides up to three output relays that can be configured. For complete detailed information, please refer to the separate Labconco 1000 Alarm User’s Manual provided with the enclosure.

Digital 1000 Calibration

The filtered enclosure comes factory calibrated with the monitor alarm at 60 ± 10 fpm with the inflow velocity set at 90± 10 fpm. To change the calibration, review the Labconco 1000 Alarm User’s Manual that comes with the enclosure. To successfully calibrate, it will be necessary to change the face velocity by adjusting the airflow exhaust volume with the speed control. The exhaust volume can be adjusted with the speed control or by using an adjustable damper for outside exhaust. NOTE: For accurate calibration, the front panel needs to be in place for each low calibration and high calibration set points to simulate real usage.

Typical calibration conditions are set at face velocity air sample differences of a least 50 feet per minute. However, the airflow monitor is factory set and calibrated with a difference of at least 20 fpm and can be changed in the CAL CONFIG MENU by changing the “lower/higher air sample difference.” If changed, then also change the “sensor difference” in CAL CONFIG MENU from

10% to 3%. To change the red “Low” airflow alarm and yellow “CAUTION” adjust the values in CAL CONFIG MENU. Set “WARNING or CAUTION” air reset to 3 fpm. To complete the CAL CONFIGURATION, be sure to enter “Done.”

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Contents User’s Manual USA Warranty Able Ontents PrerequisitesMaintaining Your Filtered Enclosure Chapter Introduction Introduction About This Manual Typographical Conventions Chapter Prerequisites Temperature Variation Requirements Support, Vibration and Movement RequirementsHumidity and Static Electricity Requirements Background on Electrostatics or Static ElectricityExhaust and Blower Requirements Location and Air Current RequirementsSurface Resistivity Table XPert Station Electrical Requirements Space RequirementsChapter Getting Started Lift by the front air foilUnpacking the Enclosure Do not move the enclosure by tilting it onto a hand truckWork Surface Specifications Work Surface and Hepa Filtered Enclosure InstallationFiltered Enclosure Installation XPert Station Getting Started Getting Started Carbon Filters Accessory for Odor Control only Installation of Hepa Filters Accessory Odor Control CarbonHepa Filters Filter Type Appropriate Use 115V ModelsGetting Started Set the Face Velocity with the Speed Control Adjustment Validating the Vented EnclosureSealing the Filtered Enclosure to the Work Surface Chapter High Performance Features and Safety Precautions High Performance FeaturesHigh Performance Features and Safety 1510 Hepa Filtered Enclosure Airflow Diagram High Performance Features and Safety High Performance Features and Safety High Performance Features and Safety High Performance Features and Safety Safety Precautions High Performance Features and Safety High Performance Features and Safety High Performance Features and Safety Routine Daily Work Procedures PlanningWork Techniques Start-upLoading Materials and Equipment Final PurgingHepa Filter Applications Suitability and Guidelines Suitable ApplicationsShutdown Odor Control Carbon Filter Applications sold as an accessory Definition of Terms Appropriate Chemicals for Odor Control Carbon Filters Chemical Carcinogen Use with Odor Control Carbon Filters Prohibited Acid UseBalance Station, which uses a remote blower Chapter Maintaining Your Filtered Enclosure Weekly Routine Maintenance ScheduleMonthly or more often as required Decontamination Determination of when to Replace Hepa FiltersAnnually Maintaining Your Filtered Enclosure Hepa Filter Leak Test PurposeMineral oil Catalog #1491400 Acceptance Calibrate and Operate the Airflow Monitors Labconco Airflow Monitor / Airflow Switch OperationGuardian Airflow Monitor LED Monitor Enclosure Operating In-Flow Alarm Condition Set Point Speed CalibrationGuardian Airflow Monitor LED with Airflow Switch Guardian Digital 1000 Airflow MonitorOperation Digital 1000 CalibrationFactory Settings Guardian Digital 1000 Airflow Monitor Maintaining Your Filtered Enclosure Odor Control Carbon Filter Replacement Procedure See Calculating Odor Control Carbon Filter Life Steps for Calculating PPM and Filter LifeFormaldehyde only Initial CertificationRe-Certification Ammonia onlyFluorescent Light Replacement Motorized Impeller ReplacementMotorized Impeller Replacement Speed Control Replacement Chapter Accessorizing Modifying Your Filtered Enclosure Work SurfacesAirflow Monitor Add appropriate Front Panel with cutout to mount DigitalExhaust Transition Kits for Ducting to Outside Part Description Remote BlowersHepa Filter Bag-In/Bag-Out Bag Accessory Filters Hepa FilterExhaust Dampers Odor Control Carbon FilterStorage Cabinets Utility Shelf KitAccessorizing and Modifying your Filtered Enclosure Chapter Troubleshooting Servicer Operating LOG Problem Cause Corrective ActionTroubleshooting Problem Cause Corrective Action Service Operating Record Log Date CommentsAppendix a Filtered Enclosure Components Replacement Parts Qty Part Number Description Qty Part Number Description Long Use for XPert System and XPert Station Use for XPert System, XPert Station, Digital Monitor and Bag Appendix B Dimensions Exhaust Options Figure B-1 XPert Filtered Balance System Figure B-2 XPert Filtered Balance Station Appendix B Dimensions and Exhaust Options Appendix C Filtered Enclosure Specifications Environmental ConditionsAppendix C Filtered Enclosure Specifications Appendix C Filtered Enclosure Specifications Appendix C Filtered Enclosure Specifications Appendix C Filtered Enclosure Specifications Appendix C Filtered Enclosure Specifications Ppendix Uick Hart Iltered Nclosures Model SizeNon-mandatory recommendations from Prudent Practices Appendix E References Nfpa 30 2000 Flammable and Combustible Liquids Code General References Laboratory Safety, Principles and Practices, American Page USA
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